The pet is dropped by Gladiator Dimachaerus in Aquila. He's the secret boss in the first dungeon, Mount Olympus. He's found in the Pit of Noxii. He's a secret boss for Promethean wizards, but everybody can fight him. Hope this helps you!
Rebecca Bright Level 90 Miranda Shadowflame Level 90 Sabrina Emeraldblossom Level 86 Victoria Roseblood Level 82 Diana Moonflower Level 77 Christina Goldenheart Level 73